IN74LS27N データシートの表示（PDF） - Integral Corp.
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IN74LS27N Datasheet PDF : 2 Pages
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IN74ALS27A
ABSOLUTE MAXIMUM RATINGS
TEMPERATURE RANGE
Supply voltage, Vcc
Input voltage, Vl
Operating free-air temperature range, TA
Storage temperature range
OVER
OPERATING FREE-AIR
7V
7V
0°C to 70°C
-65°C to 150°C
RECOMMENDED OPERATING CONDITIONS
VCC
Supply voltage
VIH
High-level input voltage
VIL
Low-level input voltage
IOH
High-level output current
IOL
Low-level output current
TA
Operating free-air temperature
MIN
4.5
2
0
NOM
5
MAX
5.5
0.8
-0.4
8
70
UNIT
V
V
V
mA
mA
oC
ELECTRICAL CHARACTERISTICS OVER RECOMMENDED OPERATING FREE-
AIR TEMPERATURE RANGE
Parameter
Test Conditions
MIN TYP** MAX UNI
VIK
VCC=4.5V
II =-18mA
-1.5 V
VOH
VCC=4.5V to 5.5V
IOH =-0.4mA
VCC-2
V
VOL
VCC=4.5V
IOL =4mA
0.25 0.4 V
IOL =8mA
0.35 0.5 V
II
VCC=5.5V
VI=7V
0.1 mA
IIH
VCC=5.5V
VI=2.7V
20 µA
IIL
VCC=5.5V
VI=0.4V
-0.1 mΑ
IO *
VCC=5.5V
VO=2.25V
-30
-112 mΑ
ICCH
VCC=5.5V
VI=0
0.97 1.8 mΑ
ICCL
VCC=5.5V
VI=4.5V
2
4 mΑ
*The output conditions have been chosen to produce a current that closely approximates one half of the true
short-circuit output current, IOS
**All typical values are at VCC=5V, TA=25oC
SWITCHING CHARACTERISTICS
Parameter From (input) To (output)
VCC=4.5V to 5.5V,
CL=50pF, RL=500 Ohm,
TA=MIN to MAX*
UNIT
MIN
MAX
tPHL
A, B or C
Y
3
15
ns
tPLH
1
9
ns
*For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating
conditions
2
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